Home / 12,088,757.10-18,133,135.65-8,498,577.90

Finding the Fourth Proportional to 12,088,757.10, 18,133,135.65 and 8,498,577.90

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Solution

The fourth proportional to 12,088,757.10, 18,133,135.65 and 8,498,577.90 is: 12,747,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088,757.10 : 18,133,135.65 = 8,498,577.90 : x
  2. Step 2: Convert to fraction form
    12,088,757.10/18,133,135.65 = 8,498,577.90/x
  3. Step 3: Cross multiply
    12,088,757.10x = 18,133,135.65 × 8,498,577.90
  4. Step 4: Simplify right side
    12,088,757.10x = 154,105,865,892,792.12
  5. Step 5: Solve for x
    x = 154,105,865,892,792.12/12,088,757.10
  6. Step 6: Final answer
    x = 12,747,866.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.